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Temporal range: Upper Cretaceous
Gasteropods - Ammonites - Collignoniceras woolgari.JPG
Collignoniceras woolgari, from Bílá Hora, Prague, Czech Republic, at the National Museum (Prague)
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Acanthoceratoidea
Family: Collignoniceratidae
Wright & Wright, 1951
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Collignoniceratidae is a family of Upper Cretaceous ammonites characterized by typically more or less evolute shells with compressed, oval, or square whorl sections; serrate or entire keels; and dense ribs with one to 5 tubercles.


This family, named by Wright and Wright in 1951, is divided into four subfamilies; Collignoniceratinae, Barroisiceratinae, Peroniceratinae, and Texanitinae. The family is included in the large ammonitid superfamily Acanthoceratoidea which lasted until the end of the Cretaceous.

The Collignoniceratidae are derived from the Acanthoceratidae, first appearing early in the Turonian (early U Cret) and lasting until the mid Campanian (late U Cret), a span of some 20 million years

Collignoniceratidae Wright & Wright, 1951 (synonyms - Prionocyclidae Breistroffer, 1947; Prionotropidae Zittel, 1865)


  • Arkell et al., 1957, Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology Part L. Geological Soc. of America, Univ of Kansas Press. R.C. Moore, (Ed)
  • W. A. Cobban and Hook, S. C. 1983 Mid-Cretaceous (Turonian) ammonite fauna from Fence Lake area of west-central New Mexico. Memoir 41, New Mexico Bureau of Mines & Mineral Resources, Socorro NM.
  • W. A. Cobban and Hook, S. C. 1979, Collignoniceras woollgari wooollgari (Mantell) ammonite fauna from Upper Cretaceous of Western Interior, United States. Memoir 37, New Mexico Bureau of Mines & Mineral Resources, Socorro NM.